baber/WOPTO huggingface dataset:
Patent GB-1114174-A (GB)
Title: Synthetic thermoplastic polymer composition
Inventor: JONAS DONALD MOORE
IPC: C08K3/34
Filed: 1964-12-18
Abstract: Compositions comprise a synthetic thermoplastic polymer, selected from polyamides, polystyrene and polyolefins derived from straight-chain olefins, one or more flame retardants and up to 10 weight per cent based on the polymer of an organophilic cation-modified clay.  Specified polymers are polyethylene, polypropylene, polystyrene and nylon.  Specified fire retardants are chlorinated paraffins, trichlorethyl phosphate, tribromophenol, ammonium chloride, ammonium bromide, phosphoric acid esters, antimony trioxide and arsenic trioxide. The clay may be a medium or high exchange capacity clay modified with an onium base, e.g. an ammonium, phosphonium, arsonium, stibonium, oxonium, sulphonium, selenonium, telluronium, stannonium or iodonium base, or associated with an aliphatic amine containing at least 12 carbon atoms, or a derivative thereof such as may be obtained by fusing said amines with stearamide, stearonitrile or cetyl alcohol.  The compositions may comprise other conventional ingredients such as plasticizers, pigments, fillers, stabilizers, anti-oxidants and antistatic agents. The clay may be dispersed in a volatile or non-volatile medium, e.g. trichlorethylene, toluene, xylene, white spirit, paraffin wax or polyethylene wax; and is preferably treated with an organic polar liquid, e.g. methanol, acetone, methyl ethyl ketone or propylene carbonate, before incorporation in the polymer.  Alternatively a polymer additive may be prepared by mixing the clay and flame retardant in the presence of a volatile organic liquid, adding the polar liquid and then mixing and evaporating the liquids to obtain a mixture in gel form.  Examples describe compositions comprising polyethylene, dimethyl dioctadecyl ammonium hectorite and (1-4) chlorinated paraffin and antimony trioxide, (5 and 6) trichlorethyl phosphate, (7 and 8) tritolyl phosphate and (13-16) chlorinated paraffin; polyethylene, dimethyl dioctadecyl ammonium montmorillonite and (9) ammonium bromide; polyethylene, dimethyl dioctadecyl ammonium sepiolite and (10 and 11) trichlorethyl phosphate, and (12, 17 and 18) chlorinated paraffin; polypropylene, dimethyl dioctadecyl ammonium hectorite and (19) chlorinated paraffin, (20 and 21) chlorinated paraffin and antimony trioxide, and (22 and 23) trichlorethyl phosphate; nylon 11, trichlorethyl phosphate and (24) dimethyl dioctadecyl ammonium hectorite, and (25) an organophilic zeolite clay; and polystyrene, dimethyl dioctadecyl ammonium hectorite and (26) trichlorethyl phosphate.
Patent GB-1247088-A (GB)
Title: Improvements in or relating to rattles
Inventor: TAYLOR WILLIAM THOMAS
IPC: A63H5/00
Filed: 1969-10-22
Abstract: 1,247,088. Rattles. W. T. TAYLOR. 16 June, 1970 [22 Oct., 1969], No. 51801/69. Heading A6S. [Also in Divisions G5 and H1] A rattle 1 comprises a base member 2 rotatable around a handle 5, and a toothed portion 3 for engagement by a springy member 4, when the base member 2 rotates around the handle, to produce a noise, a panel 8 of translucent material such as plastics disposed on a recess 7 in the base, an electric lamp 9 disposed in the recess for illuminating the panel, a battery 11 for the lamp and switch means operable by rotation of the base member to illuminate the lamp. The switch means may comprise a fixed contact 12, electrically connected to the lamp, and a springy strip 13 of metal electrically connected to the negative pole of the battery. When the base is rotated, the centrifugal force on the battery forces the contact 13 onto the contact 12. Alternatively, the battery may be contained in a projection of the base, so that it lies longitudinally of the base so that on rotation of the base, the negative pole of the battery is forced onto a fixed contact; the battery normally being held away from the contact by means of a light helical spring. The panel 8 of translucent material may have printed on it the colours of a team.
Patent GB-1263836-A (GB)
Title: Torsional oscillation devices
Inventor: MOSER KURT
IPC: G01N11/16
Filed: 1970-10-30
Abstract: 1,263,836. Photo-electric torsional vibration testing. LONZA Ltd. Oct.30, 1970, No.51828/70. Heading G1A. In an arrangement for determining the properties of a plastics sample 3 by applying torsional oscillations developed in a plate 8, the torsional oscillation amplitude measuring transducer 23 is zeroed to the centre of oscillation prior to a test by a servomotor 21 responsive to its output; zeroing being obtained by coincidence of apertures in the transducer and in plate 8 respectively and the same apertures being used in the subsequent testing to measure torsional amplitudes whereby damping of oscillation by the sample and shear modulus may be determined. Successive pulses from the transducer are rectified and stored for such determination, and the period of oscillation may be determined by counting. The sample may be enclosed in a temperature controlled housing the temperature of which may be stepped according to a programme.
Patent GB-1106090-A (GB)
Title: Improvements in the preparation of resin-bonded foundry cores and moulds
Inventor: BARLING THOMAS PERCY
IPC: B22C1/22
Filed: 1964-12-21
Abstract: In the preparation of foundry moulds and cores from foundry sand and a liquid furane, phenol-formaldehyde or urea-formaldehyde resin the curing catalyst used in powdered sodium bisulphate to which an amine has been added as a dust-inhibiting additive.  The bisulphate may have a particle size or 50 to 500 microns. Specified amines are straight chain primary amines and amines R-NH-CH2-CH2-CH2-NH2 where R is C12- 18 alkyl.  Exemplified powdered catalysts are mixtures of sodium bisulphate with (i) 1% oleylamine; (ii) 1% N-oleylpropylene diamine, 3.9% chromic oxide and 0.1% citronella; (i) and (iii) 1.5% N-lauryl propylene diamine and 2.5% isopropanol.  In the specific Examples these are used with silica or sea sand, (mixed with 3 to 5% ball clay in Example 2) or zircon or chrome sand and 1 to 5% of resin.  The catalyst is preferably mixed with the sand before adding the resin.
Patent GB-1412264-A (GB)
Title: Continuously variable acoustic surface wave delay lines
IPC: H03H9/42
Filed: 1972-11-10
Abstract: 1412264 Delay lines ETAT FRANCAIS DIRECTION DES RECHERCHES ET MOYENS D'ESSAIS 10 Nov 1972 [10 Nov 1971 31 Oct 1972] 52107/72 Heading H3U A continuously variable ultrasonic surface wave delay line comprises launching transducer 2 mounted on quartz piezoelectric substrate 1, the receiving transducer comprising a grid 3 on the face of the substrate, electrostatically coupled to metal block electrode 4 in the form of a plate of length L less than or equal to the input transducer length, or of polygonal or cylindrical shape for output signal profiling, and movable longitudinally of, and spaced from the grid, to determine the delay time. Electrode 4 may have constant spacing from the grid, Fig. 2 (not shown), or the spacing may decrease as delay time increases, Fig. 3 (not shown) such that the gain is independent of delay time. A base electrode 5 is optionally provided to which one of the electrodes of transducer 2 may be connected, as may the electrode 4. The output signal is taken between electrode 4 and grid 3. If electrode 5 is absent, grid 3 is earthed. The roles of input, resp. output, transducers may be interchanged. Mechanical construction, and input/output couplings, Fig. 4.-A brass box 6, with a lid (not shown) has fixed in its base, by cellulose varnish, the piezoelectric substrate 11. The input transducer, shielded by brass screen 9 and partition 7 is connected to the input terminal 20 via circuit 8 containing a fixed inductance in series with a variable capacitance shunting the transducer input capacitance. Grooves in the box sides support nylon sliding frame 12 to which the movable electrode block 13 is fixed an adjustable distance above the substrate, see Fig. 6 (not shown). Sliding frame 12 supports output amplifier 14, flexible coax. 16, 17 connecting the latter to output terminals 18, 19. Leadscrew and nut 21, 23, control movement of frame 12, the leadscrew being controlled via a milled vernier head (not shown). Pointer (24, Fig. 5) on the nut is viewed through a slot in the lid and moves in front of a scale showing the delay. The electrodes are deposited by A1 photoengraving, using reduction from a drawing. Operating frequency, delay characteristic, passband, input and output impedance, and gain data are disclosed, as are the dimensions and accuracy. The passband may be increased by reducing the number of input transducer teeth. Teeth spacings may differ from those shown.
Patent GB-1488035-A (GB)
Title: Ink-jet recording apparatus
IPC: H04N1/23
Filed: 1974-12-04
Abstract: 1488035 Ink jet printers HITACHI Ltd 4 Dec 1974 [5 Dec 1973] 52457/74 Heading G4H The invention relates to synchronizing drop charging in an ink drop printer using test charges and negative feedback. As disclosed, a common oscillator synchronizes drop formation with application of charges to the drops which are then deflected by a constant electric field in a direction parallel to the axis of a rotating document drum. The charges given to alternate drops depend in magnitude on the data to be recorded, the other drops (or every fifth other drop or one other drop per character) being charged in the opposite sense and detected by a conductor or piezoelectric crystal to produce a signal which is rectified and thresholded to control a phase-change-over circuit in the connection from the oscillator to the drop charging control circuitry, to select one of two opposite phases to synchronize drop formation and drop charging. As a modification, every drop but one per character may be used for recording. A plurality of ink jets may be used simultaneously.
Patent GB-1034170-A (GB)
Title: Improvements in and relating to stationery envelopes
IPC: B65D27/00
Filed: 1964-12-29
Abstract: 1,034,170. Envelopes. H. DE V. LOMBARDDec. 29, 1964 [Feb. 20, 1964], No. 52621/64- Heading B6A. An envelope, postal wrapper or the like has additional flaps 8, 9 which project from the body of the envelope and carry a message. The flaps may be attached by a weakened fold so they may be removed and may be coated with carbon so the message may be duplicated.
Patent GB-1444112-A (GB)
Title: Roller shutter more particularly for box structures of motor  vehicles and containers
IPC: E06B9/15
Filed: 1973-11-13
Abstract: 1444112 Roller shutters for containers JAKOB FAULSTROH PRESS-UND STANZWERK 13 Nov 1973 [18 Nov 1972] 52649/73 Heading B8P [Also in Division E1] A shutter, e.g. for a container, comprises slots 10 of rectangular hollow section, the narrow longitudinal sides of a slot having a partcircular hooked element 18 and a part-circular recess 26 respectively, the recess forming a slot with an arm 22 of a slotted cylindrical element 19 at the end of a short flange 24; abutment surface 20, and protrusion 21 on opposite narrow sides limit relative rotation of the slots. Elements 18, 19 of adjacent slots interengage. The ends of the slots carry flanges (34, 35, Fig. 5) which are pivoted together on pins (36) received in elements 19. The flanges (34, 35) carry adjustable rollers 37 which run in rails (40, 41). The lowermost slot (Fig. 4) is recessed for a lock (30) and has a seal (49).
Patent GB-1212400-A (GB)
Title: Holding device for moulds
Inventor: KLEINHAGAUER O
IPC: B22D23/10
Filed: 1968-11-06
Abstract: 1,212,400. Casting apparatus. GEB BOHLER & CO. A.G. 6 Nov., 1968 [6 Nov., 1967], No. 52651/68. Heading B3F. [Also in Division H5] A mould 10 is supported by a holding device which is constructed as a mould-lifting carriage 20 having two arms 21 and 24 in fork formation, the arms having channels 22 and 25 through which the supply and withdrawal of a cooling agent to and from the mould takes place, and the mould having side extensions 14 and 17 which rest on the arms 21 and 24. Sealing elements 23 surround the openings of the channels 22 and 25 and guide pins (27) may-be provided  on the amrs 21 and 24 to hold the mould in the  correct position. The mould and holding device may form part of an electroslag installation which also includes an electrode 50, and electrode holder 60 vertically movable by means of a motor 72 and cable 70. The mould-lifting carriage 20 is vertically movable by motor 42 and cable 40.
Patent GB-1121451-A (GB)
Title: Improvements in or relating to the separation of metallic bodies from bulk materials
IPC: B03C1/253
Filed: 1965-12-11
Abstract: 1,121,451. Magnetic separators. W. H. LYONS. 13 March, 1967 [11 Dec., 1965], No. 52704/65. Heading B2J. Apparatus for separating metal scrap from refuse 12, Fig. 1, comprises a soft iron loop core 6 across a conveyor belt 5. The core is suspended by adjustable and non-adjustable rods 8 and insulated straps 9, and has undercut slots 10 across its underside, pairs of slots accommodating overlapping coils 11. The coils are supplied with 3-phase A.C. at e.g. 400 to 440 volts. As refuse 12 on the belt 5 passes beneath the core 6, non-ferrous conducting articles 13 contained therein intersect the magnetic field, and are displaced from the belt into a collector 14. The coils are protected by a fibre-glass sheet. A second embodiment for removing metal from flow inducts magnetic cores 16, Fig. 2, mounted on a motor-driven rotatable fibre-glass disc 17, and supplied with poly phase A.C. via bushes 22, slip-rings 23 and conductors 24. In operation, metal is displaced to the left. The coils are respectively supplied with current only when above and transversely of the belt, by switches 29 and a stationary cam 30. The underside of the disc 17 is swept clear of adherent particles by a rotating brush 26. Levitation of ferrous material is effected in both embodiments by a vertical coil 31. Discharge of ferrous and non- ferrous materials may be at opposite sides by means of a known magnetic separator.
Patent GB-1151819-A (GB)
Title: Apparatus for Indicating Tuning of Frequency-Modulated Signal Transmissions.
IPC: H03J3/14
Filed: 1967-11-20
Abstract: 1,151,819. Measuring amplitude modulation components. H.H. SCOTT Inc. Nov. 20, 1967 [July 12, 1967], No.52722/67. Heading G1U. [Also in Division H3] The presence of amplitude modulation components indicating inaccurate adjustments in reception of f.m. signals is indicated by having in the receiving arrangement a demodulator to detect frequency components, which are selectively applied to a peak to peak detector responding to any amplitude modulation to produce a signal which is applied to an indicator circuit already indicating signal strength. A difference in the reading between when the signal is applied and not applied indicates the presence and size of a.m. components. A meter M1 is connected between the emitter of the first stage Q1 of the I.F. amplifier and the emitter of a transistor Q2, which carries a constant current when switch S1 is open; the circuit constants may be such that the meter indicates zero when no signal is present and full scale deflection when the input signal is of maximum expected amplitude. The output of the I.F. amplifier 11 is rectified by a diode D1 to provide AGC voltage which fluctuates in accordance with any amplitude modulation present and is fed through switch S1 when closed, to the base of transistor Q2. The output of this transistor feeds a peak detector D2, D3 which biases the transistor and varies the emitter potential. The deflection of meter M1 is therefore reduced, in accordance with the amount of amplitude modulation present in the I.F. signal. In a modification, Fig.2 (not shown), the meter Ml is connected between a fixed potential and the emitter of Q2; the AGC line is coupled to the base of Q2 through a resistance (R16), and a capacitor (C6) connected to the base is coupled by a switch (S2) either to the point 17 or to earth. Thus in one position of the switch a signal representing amplitude modulator is coupled to the base of Q2, and in the other position it is filtered out.
Patent GB-1375735-A (GB)
IPC: E04D3/24
Filed: 1971-11-15
Abstract: 1375735 Roofing sheets J G JANSSON and A E SJOBLOM 15 Nov 1971 [19 Nov 1970] 52945/71 Heading E1B A plastics or metal roofing sheet is stepped from top to bottom 12, 11, 10, 9 and formed with alternating higher 1-4 and lower 5-8 parts across the width, and interengaging means 17 and 18 which only allow separation by relative sliding movement are provided adjacent said upper and lower edges. Water bars 14 and 15a and 15b are provided at the edges, with possibly further grooves receiving sealing strips. The higher parts 1-4 may converge towards edge 16 in a region adjacent thereto. The edge 14 diverges slightly away from the junction of parts 4-8 from bottom to top to allow the corresponding part of an overlying sheet to fit therewithin. Indentations may be formed at the corners where four sheets interengage, the next sheet up the roof being laid before the next sheet along the roof.
Patent GB-533776-A (GB)
Abstract: 533,776. Interrupters. BRITISH THOMSONHOUSTON CO., Ltd., and COE, R. T. July 17, 1939, No. 20739. [Class 38 (v)] The contact 4 of an interrupter is mounted on a structure consisting of two parallel leaf springs 1a, 1b arranged cantilever-fashion on a fixed support 2a that is fixed so that as the contacts 4. 5 are separated the effective unsupported length of one or both springs decreases. This varies the natural frequency of the spring and prevents resonant oscillations being built up. The contact is operated by a cam 6 acting on a heel 3. The Provisional Specification also describes arrangements in which there is only one spring and in which both ends of the spring are fixed, the contact and heel being mounted centrally.
Patent GB-1076959-A (GB)
Title: Filter elements
IPC: B01D29/21
Filed: 1965-12-16
Abstract: 1,076,959. Filter element. GENERAL MOTORS CORPORATION. Dec. 16, 1965 [Jan. 11, 1965], No. 53397/65. Heading BID. An oil filter element comprises two sheets 16 and 17 of filter paper of different porosity, preferably impregnated with synthetic resin, the two ends of sheet 17 being sealed to sheet 16, and the edges of both sheets being sealed to end caps (10 and 12). The sheets 16 and 17 may also be corrugated.
Patent GB-1294469-A (GB)
Title: Improvements in or relating to thermostatic fluid valves
Inventor: HORNE ALEXANDER DEWAR
IPC: F16K31/68
Filed: 1969-11-05
Abstract: 1294469 Valves HORNE ENG CO Ltd 4 Nov 1970 [5 Nov 1969] 54118/69 Heading F2V Thermostatic mixing valve, comprises a casing defining two inlet chambers 4, 5 and an outlet chamber 7. A cup-shaped valve sleeve 14 is movable axially in an opening between the chambers 4, 5 and co-operates with opposed seats 18, 19. The sleeve is operated by a thermostatic bellows 33 in the outlet chamber, via a push rod 34 which passes through the base of the valve sleeve 14 to abut an adjustable head 38. The ends of the sleeve are provided with sealing rings 25, 26, and the sleeve is sealed in the openby a ring 20. The end of the bellows remote from the push rod 34 is connected to a perforated tube 28 secured at its upper end to the base of the valve sleeve 14 and carrying at its lower end a pin 31 which retains a loading spring 40 and loose locating member 32. In a modification, the sealing rings 25, 26 are located in grooves in the end faces of the sleeve.
Patent GB-1356699-A (GB)
Title: Telecommunications terminal equipments
IPC: H04M11/06
Filed: 1971-11-23
Abstract: 1356699 Substation apparatus SIEMENS AG 23 Nov 1971 [5 Dec 1970] 54256/71 Heading H4K A keyboard number sender equipped for voice frequency dialling includes a bi-stable switching device (e.g. a bi-stable circuit or latching key) which when set couples the tone generator to the telephone line in such a manner that a specific tone is transmitted between each tone signal entered at the keyboard. The presence of the specific tone between tone signals in place of the usual pauses indicates to the receiving end that the tone signals relate to data rather than dialling signals. As described the sender is a push button substation transmitting dial signals in the form of dual frequency tones 2 x (1 out of 4). An additional key is provided and arranged to remain latched when depressed until the telephone handset is returned to its hook. While the key is depressed the tone combination formed from the highest frequency of each group of four is generated and coupled to line when no digit key is depressed.
Patent GB-1097088-A (GB)
Title: Improvements in bearing material
IPC: F16C33/16
Filed: 1965-12-23
Abstract: A bearing component is coated with a pyrolytic graphite, crystallites of which have their basal planes substantially parallel to the surface on the bearing component.  The coating of pyrolytic graphite may be deposited directly on the bearing component; may be deposited on to a layer of material, which is afterwards bonded to the bearing; or may be forced into the surface of the bearing component by rolling, for example.  Films of pyrolytic graphite may be pressed into contact with sheets of plastics, copper or aluminium, for example.  In a method of producing pyrolytic graphite having crystallites with parallel basal planes, methane gas, which is carried in a hydrogen diluent, is passed through a hot ceramic tube containing a metal-plate which is also heated.  The methane decomposes and carbon is deposited upon the inner wall of the ceramic tube and upon the surface of the steel-plate.  Further heating of the carbon effects annealing thereof and improves the layered structure of the material.
Patent GB-1494638-A (GB)
Title: Current monitoring and compensation device
IPC: H02H3/08
Filed: 1974-12-18
Abstract: 1494638 Compensating for unwanted signal components SOC ANON DES ATELIERS DE SECHERON 18 Dec 1974 [20 Dec 1973] 54615/74 Heading H2K To eliminate from a signal u i  representing a direct current i those fluctuations which are merely due to periodic variations in the voltage of the power supply, a compensating signal whose magnitude is automatically controlled by a retroactive loop is subtracted (3) from the current signal u i  to balance out the unwanted fluctuations. This loop compares (4) the instantaneous polarity of compensated signal u A  with that of either the compensating signal or the unwanted current-signal fluctuations. Depending on whether the polarities agree or disagree (which, depends on whether the signals are in phase or 180 degrees out of phase), the control loop assumes there is a condition of over-compensation or under-compensation as appropriate and applies a positive or negative signal to an integrator 5 whose output K adjusts a variable gain amplifier 22 in the compensating signal path. The control loop ceases to make any further adjustments when the absolute magnitude of the compensated signal u A  is small. The system is described in the context of a fault monitoring arrangement in a D.C. network (e.g. a railway system) having a predominantly inductive load. The current signal u i  is derived by a current transformer 11 and thus represents di/dt. The compensating signal is derived either from a voltage transformer 21-whose output represents the derivative of the unwanted fluctuations in i because of the inductive load- or from a filter coupled to the current transformer. If the load were resistive, the system could use a signal u t  which directly represented i.